annotate rogue3/main.c @ 6:9a2c0c60c386

Fix segfault on getpwuid failure
author edwarj4
date Fri, 16 Oct 2009 14:30:06 +0000
parents b4856d4d4c4e
children 78df7025783b
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
1 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
2 * @(#)main.c 3.27 (Berkeley) 6/15/81
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
3 *
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
4 * Rogue: Exploring the Dungeons of Doom
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
5 * Copyright (C) 1980, 1981 Michael Toy, Ken Arnold and Glenn Wichman
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
6 * All rights reserved.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
7 *
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
8 * See the file LICENSE.TXT for full copyright and licensing information.
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
9 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
10
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
11 #include "curses.h"
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
12 #include <time.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
13 #include <signal.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
14 #include <limits.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
15 #include <stdlib.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
16 #include <stdarg.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
17 #include <string.h>
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
18 #include "machdep.h"
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
19 #include "rogue.h"
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
20
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
21 int num_checks = 0; /* times we've gone over in checkout() */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
22 WINDOW *cw; /* Window that the player sees */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
23 WINDOW *hw; /* Used for the help command */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
24 WINDOW *mw; /* Used to store mosnters */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
25 FILE *scoreboard = NULL;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
26
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
27 main(argc, argv, envp)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
28 char **argv;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
29 char **envp;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
30 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
31 char *env;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
32 struct linked_list *item;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
33 struct object *obj;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
34 int lowtime;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
35 time_t now;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
36
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
37 md_init(MD_STRIP_CTRL_KEYPAD);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
38
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
39 open_score();
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
40
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
41 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
42 * check for print-score option
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
43 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
44 if (argc == 2 && strcmp(argv[1], "-s") == 0)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
45 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
46 waswizard = TRUE;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
47 score(0, -1, 0);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
48 exit(0);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
49 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
50 /*
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
51 * Check to see if he is a wizard
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
52 */
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
53 if (argc >= 2 && argv[1][0] == '\0')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
54 if (strcmp(PASSWD, crypt(md_getpass("Wizard's password: "), "mT")) == 0)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
55 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
56 wizard = TRUE;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
57 argv++;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
58 argc--;
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
59 }
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
60
1
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
61 /* Are we using the system savefile directory? */
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
62 #ifdef SAVEDIR
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
63 if (argc >= 3 && !strcmp(argv[1], "-n"))
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
64 {
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
65 strncpy(whoami, argv[2], 79);
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
66 whoami[79] = '\0';
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
67 use_savedir = TRUE;
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
68 /* look for savefile at SAVEDIR/UIDplayername.r3sav */
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
69 if (snprintf(file_name, 80, "%s%d%.10s.r3sav", SAVEDIR, md_getuid(), whoami) >= 80)
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
70 {
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
71 /* this shouldn't happen */
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
72 strcpy(file_name, "rogue3.save");
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
73 use_savedir = FALSE;
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
74 }
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
75 }
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
76 #endif
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
77
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
78 if (use_savedir == FALSE)
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
79 {
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
80 md_normaluser();
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
81 /* because we don't need to create a file in the common savedir,
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
82 * and the scorefile is already open */
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
83 strcpy(home, md_gethomedir());
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
84
1
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
85 if (strlen(home) > PATH_MAX - strlen("rogue3.save") - 1)
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
86 *home = 0;
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
87
1
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
88 strcpy(file_name, home);
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
89 strcat(file_name, "rogue3.save");
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
90 }
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
91
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
92 if ((env = getenv("ROGUEOPTS")) != NULL)
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
93 parse_opts(env);
1
b4856d4d4c4e Add -n option and system savedir functionality
edwarj4
parents: 0
diff changeset
94 if (!use_savedir && (env == NULL || whoami[0] == '\0'))
0
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
95 strucpy(whoami, md_getusername(), strlen(md_getusername()));
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
96 if (env == NULL || fruit[0] == '\0')
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
97 strcpy(fruit, "slime-mold");
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
98
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
99 if (too_much() && !wizard && !author())
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
100 {
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset
101 printf("Sorry, %s, but the system is too loaded now.\n", whoami);
527e2150eaf0 Import Rogue 3.6 from the Roguelike Restoration Project (r1490)
edwarj4
parents:
diff changeset